2001 BMW 525i Service and Repair Manual

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Factory-Grade Data

2001 BMW 525i service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Sedan 4-Door
  • Base Wagon 4-Door

Engines covered

  • 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2001 BMW 525i Recalls & Complaints

NHTSA #03V42100024/10/2003Component: AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE

ON CERTAIN PASSENGER VEHICLES, A MICROPROCESSOR IN THE AIR BAG CONTROL MODULE, WHICH ACTIVATES THE FRONT AIR BAGS, THE SIDE AIR BAGS, THE FRONT SEAT SAFETY BELT PRETENSIONERS, AND THE BATTERY SAFETY T

Consequence

UNEXPECTED DEPLOYMENT OF THE AIR BAG(S) COULD CAUSE SERIOUS INJURY IF AN OCCUPANT IS TOO CLOSE TO TH

Remedy

DEALERS WILL REPLACE THE AIR BAG CONTROL MODULE. OWNER NOTIFICATION BEGAN NOVEMBER10, 2003. OWN

TSB #10249437

The basic conditions for initializing the power windows are not met.

TSB #10247567

Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: press

TSB #10245422

Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicles equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is notic

TSB #10160287

TAKATA AIR BAG RECALL-RELATED SHORT-TERM ALTERNATE TRANSPORTATION AND CONSEQUENTIAL REPAIRS This Service Information bulletin supersedes SI B01 31 18 dated October 2018.

TSB #10160244

TAKATA AIR BAG RECALL-RELATED SHORT-TERM ALTERNATE TRANSPORTATION AND CONSEQUENTIAL REPAIRS This Service Information bulletin supersedes SI B01 31 18 dated October 2018.

TSB #10154816

In an effort to improve the completion rate on Takata air bag recall affected vehicles; BMW NA has expanded the BMW Ultimate Rewards platform to include a new Recall Support page. This page will allow IRFs to check their customers VINs for

TSB #10153726

TAKATA CLASS ACTION SETTLEMENT. CUSTOMER SUPPORT PROGRAM. FRONT DRIVER SIDE AIRBAG MODULES.

TSB #10152674

Radio / Navigation / Head Unit Identification Guide

Showing the 8 most recent of 12 technical service bulletins on file with NHTSA.

20130826Component: VEHICLE SPEED CONTROLCrash reported1 injured

TL* THE CONTACT OWNS A 2001 BMW 525I. THE CONTACT STATED THAT WHILE ENTERING A RESIDENTIAL PARKING GARAGE, THE VEHICLE ACCELERATED RAPIDLY AND ABRUPTLY AS THE ACCELERATOR PEDAL WAS LIGHTLY DEPRESSED.

20040827Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE DRIVING AT 20 MPH AND MAKING LEFT TURNING CONSUMER'S VEHICLE WAS INVOLVED IN A COLLISION. UPON IMPACT, NEITHER THE SIDE OR FRONT DRIVER AIR BAG DEPLOYED. DRIVER SUSTAINED CHEST, SHOULDERS,

20040827Component: AIR BAGS:SIDE/WINDOWCrash reported1 injured

WHILE DRIVING AT 20 MPH AND MAKING LEFT TURNING CONSUMER'S VEHICLE WAS INVOLVED IN A COLLISION. UPON IMPACT, NEITHER THE SIDE OR FRONT DRIVER AIR BAG DEPLOYED. DRIVER SUSTAINED CHEST, SHOULDERS,

20200305Component: ELECTRICAL SYSTEMFire reported

I DROVE THE CAR A MILE TO THE STORE AND A MILE BACK AND WHEN I WAS WALKING AWAY YOU COULD SEE A SPARK AND THEN A MINUTE LATER ANOTHER ONE AND ANOTHER UNTIL THEN THE CAR STARTED SMOKING AND WITHIN 4 MI

20200305Component: ENGINEFire reported

I DROVE THE CAR A MILE TO THE STORE AND A MILE BACK AND WHEN I WAS WALKING AWAY YOU COULD SEE A SPARK AND THEN A MINUTE LATER ANOTHER ONE AND ANOTHER UNTIL THEN THE CAR STARTED SMOKING AND WITHIN 4 MI

Showing the 5 most serious of 31 complaints filed with NHTSA.

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